Arbitrary file upload in Umbraco CMS



Published: 2018-08-27 | Updated: 2020-08-08
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2014-10074
CWE-ID CWE-434
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Umbraco CMS
Web applications / CMS

Vendor Umbraco

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Arbitrary file upload

EUVDB-ID: #VU36764

Risk: High

CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2014-10074

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Umbraco before 7.2.0 has a remote PHP code execution vulnerability because Umbraco.Web.UI/config/umbracoSettings.Release.config does not block the upload of .php files.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Umbraco CMS: 7.0.0 - 7.1.10

External links

http://issues.umbraco.org/issue/U4-5901
http://github.com/Umbraco/Umbraco-CMS/commit/cad06502235acabf7fb7dca779d2f78f08547e39


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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